/**
 * Created with IntelliJ IDEA
 * Description:
 * User:恋恋
 * Date:2022-09-23
 * Time:18:57
 */
public class TestDemo {
    public static void main(String[] args) {
        String str="hello world";
        System.out.println(true==true);
        String[] arr=str.split(" ");//
        System.out.println(arr[arr.length-1].length());
    }
}
